LoongArch: Add spectre boundry for syscall dispatch table
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.1%
exploitation probability
0.1%top 96% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
LoongArch: Add spectre boundry for syscall dispatch table
The LoongArch syscall number is directly controlled by userspace, but
does not have a array_index_nospec() boundry to prevent access past the
syscall function pointer tables.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/07040904ad217545be096d4280ed33c02f6a3750https://git.kernel.org/stable/c/0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3dhttps://git.kernel.org/stable/c/108f2cd13577a410c0ad6ea00708596d9d0dfc90https://git.kernel.org/stable/c/85cbf7fb568af5358aae61925c4e66b8f5e1439dhttps://git.kernel.org/stable/c/bc84a109c2082dd0c4b38e8d923c046b41977533https://git.kernel.org/stable/c/c8a8e863928424046b8fd328f02c359baa0a0c3f